Vulnerability · Published Sep 18, 2026 · Assigned by VulDB
CVE-2026-93313Freedesktop Poppler JBIG2Stream.cc readCodeTableSeg integer overflow
Medium 6.3
In plain English
A medium-severity integer overflow in Poppler from Freedesktop. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
A vulnerability was found in Freedesktop Poppler 26.07.0. The impacted element is the function JBIG2Stream::readCodeTableSeg of the file poppler/JBIG2Stream.cc. Performing a manipulation results in integer overflow. The attack can be initiated remotely. The exploit has been made public and could be used. The patch is named eb87cf711563894649bd0c365baa479401dc6d51. To fix this issue, it is recommended to deploy a patch.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | poppler | no fix listed | DEBIAN-CVE-2026-93313 |
| Debian:13 | poppler | no fix listed | DEBIAN-CVE-2026-93313 |
| Debian:14 | poppler | 26.07.0-3 | DEBIAN-CVE-2026-93313 |
| Ubuntu:22.04:LTS | poppler | 22.02.0-2ubuntu0.14 | UBUNTU-CVE-2026-93313 |
| Ubuntu:22.04:LTS | poppler | 22.02.0-2ubuntu0.14 | USN-8894-1 |
| Ubuntu:24.04:LTS | poppler | 24.02.0-1ubuntu9.10 | USN-8894-1 |
| Ubuntu:24.04:LTS | poppler | 24.02.0-1ubuntu9.10 | UBUNTU-CVE-2026-93313 |
| Ubuntu:26.04:LTS | poppler | 26.01.0-2ubuntu0.2 | USN-8894-1 |
| Ubuntu:26.04:LTS | poppler | 26.01.0-2ubuntu0.2 | UBUNTU-CVE-2026-93313 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Freedesktop | Poppler | 26.07.0 |
Weakness: CWE-190, CWE-189 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
References
- VDB-406612 | Freedesktop Poppler JBIG2Stream.cc readCodeTableSeg integer overflow vdb-entry, technical-description
- VDB-406612 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-93313 | CVE Analysis and Report third-party-advisory
- Submit #942346 | freedesktop.org Poppler 26.07.0 Integer Overflow third-party-advisory
- https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1760 related
- https://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/2322 patch
- https://github.com/r1ck9-2q/cve_summit/blob/main/Signed-integer-overflow-in-JBIG2Stream-readCodeTableSeg-JBIG2Stream.cc-4118.md exploit
- https://gitlab.freedesktop.org/poppler/poppler/-/commit/eb87cf711563894649bd0c365baa479401dc6d51?merge_request_iid=2322 patch